ZN32M-14 series outdoor vacuum circuit breakeror high volta

High precision mechanical structure High conductivity copper

30 years history make us know how to make production cost low and high  efficiency.

10 years OEM make us know how to make products quality high to Japan standard.

Fully meet IEC standards.

_____________________________________________________

China price, Japan quality!  100% fully copper.

Description

ZW32M-12 series outdoor permanent magnet-type vacuum circuit breaker is composite by ZW32-12 series Outdoor circuit breakers and CH-1series line prote­ction controller, after to increase the PT power composed outdoor intelligent switch system and recloser. The intelligent system can achieve three reclosing, overload protection, three - stage over-current protection, automatic fault isolation section, improve system reliability in order to achieve distribution network automation.

Technical data

NO	Item		Units	Value
				12kV	24kV
Voltage parameters
1	Rated frequency		Hz	50/60
2	Rated voltage		kV	12kV	24kV
3	1 min power frequency withstand voltage dry wet	Dry	kV	42	65
		Wet		34	50
4	Rated lighting impulse withstand voltage		kV	75	125
Current parameters
1	Rated current	A	630	630
2	Loop resistance with limited on rated contact pressure	μΩ	≤80	≤80
3	Rated short-circuit breaking current	KA	20	20
4	Rated short-time withstand current	KA	20	20
5	Rated short-circuit duration	S	4	4
6	Rated peak withstand current	KA	50	50
7	Rated short-circuit closing current	KA	50	50
8	Rated operating sequence		O-0.3s-CO-180s-CO

ZN32M-14 series outdoor vacuum circuit breakeror high volta